Research On Adaptive Facade Of Office Buildings In Cold Region Based On Daylight Comfort

Indoor light environment has an important influence on people's health,productivity and physiological rules.Therefore,how to efficient use of natural light to create a comfortable indoor light environment,becoming the problem that cannot be ignored in the design of architecture for implementing the glare protection at the same time solve the problem of excessive near the window lighting,study of light and comfortable in cold region office building problems,aiming at the shortcomings of the static skin use of natural lighting,adaptive skin model is put forward.Firstly,the concepts and theories of cold adaptive epidermis based on light comfort are introduced.This paper summarizes the organization structure and movement mode of the adaptive epidermis,and summarizes it from the perspective of case analysis,and points out that the movement mode and control logic are the key points of the adaptive epidermis design,and have the most obvious influence on the light environment.The definition,evaluation index and measurement method of light comfort in office buildings are defined.Secondly,an adaptive skin model for office buildings in cold regions is established.Firstly,an adaptive skin prototype is designed to illustrate the skin's response to light environment from the aspects of morphology,movement mode and control logic.Secondly,the morphological parameters of the office unit were defined through the survey data,the morphological model of the office unit was established,and the office staff's requirements for indoor light comfort were clarified.Thirdly,the prototype of the skin was applied to this office space.Based on Rhinoceros & Grasshopper platform,parametric modeling of architecture and data interaction of light comfort simulation were achieved,and light comfort was evaluated based on the cold climate.The control strategy of this building space was discussed from two aspects of preventing glare and controlling lighting.Finally,the adaptive skin was constructed and its performance was evaluated by field measurement.With the help of the artificial sky,the adaptive skin model was measured,and the process of daylighting and glare was proposed,which proved that the adaptive skin model could greatly improve the indoor light comfort level.The measured results showed that,compared with the model without epidermis,the annual glare DGP value of the epidermis was basically controlled below 0.35,and the proportion of moderate illumination was stabilized within the range of 44.4% to 66.6%.Again,dynamic skin has great potential for light comfort control...